package cn.hl.sfzy.mapper;

import cn.hl.sfzy.entity.CourseMark;

import java.util.List;

public interface CourseMarkMapper {
    List<CourseMark> selectByCourseId(Long course_id);
    int insert(CourseMark courseMark);
    int update(CourseMark courseMark);
    int delete(Long id);
    int deleteByUserId(Long user_id);
    List<CourseMark> select(CourseMark courseMark);


}
